Size of Container in Export In export-import business, a standard 20-foot container is known as a TEU (Twenty-foot Equivalent Unit). It is approximately 20 feet long, 8 feet wide, and 8.5 feet high. The loading capacity of a 20-foot container is around 33 cubic meters or 1,170 cubic feet. Maximum loading capacity is around 28 ton weight A 40-foot High Cube container is larger, measuring approximately 40 feet in length, 8 feet in width, and 9.5 feet in height. The high cube feature allows for gre